
Avrami equation - Wikipedia
It can specifically describe the kinetics of crystallisation, can be applied generally to other changes of phase in materials, like chemical reaction rates, and can even be meaningful in analyses of …
On the use of classical JMAK crystallization kinetic theory to describe ...
2015年2月1日 · The classical theory of Johnson–Mehl–Avrami–Kolmogorov (JMAK) is widely used to describe the kinetics of crystallization even when the premises required for its …
Application of Johnson-Mehl-Avrami-Kolmogorov type equation …
2016年10月15日 · The applications of non-isothermal JMAK type equation in γ→α phase process of Fe-0.002 wt%C alloy under linear cooling process and welding thermal process do show its …
The Johnson-Mehl- Avrami-Kohnogorov model: A brief review
The kinetics of isothermal phase transformations have been described by the Johnson-Mehl-Avrami-Kohnogorov (JMAK) phenomenological model since the 40’
Surface Diffusion-Controlled Jonhson–Mehl–Avrami–Kolmogorov …
2023年7月6日 · The use of the Jonhson–Mehl–Avrami–Kolomogorov (JMAK) model has become prevalent in the kinetic analysis for Mg-based hydrogen storage alloys. However, the classical …
组织转变动力学中JMAK方程理论及应用实例 - 豆丁网
JMAK方程是由W.A.Johnson和R.F.Mehl,M.Avrami 于1939年提出,用于表述形核类型的相变的进行程度 的(X)和经过时间(t)之间的关系 约翰逊-迈尔 (JMAK)相关理论 8 同时形核:假 …
Crystallization kinetics and the JMAK equation - ScienceDirect
1997年10月1日 · In particular, the following three situations, for which the JMAK theory requires extensions, are considered: (1) finite size effects and non-uniform nucleation, (2) anisotropic …
The Johnson-Mehl-Avrami-Kolmogorov model: A brief review (*)
1998年7月1日 · The FE method coupled with the extended JMAK model offers a comprehensive integration of various phenomena, including heat transport and mechanics in the strip and the …
On the use of classical JMAK crystallization kinetic theory to …
In this paper we propose a procedure to obtain the JMAK parameters of the independent transformations that simultaneously occur during a crystallization process (e.g. leading to the …
组织转变动力学中JMAK方程理论及应用实例共24页 - 豆丁网
2020年10月15日 · 形核 孕育期 时间 形核类型 非形核类型 时间,t 非形核类型 方程述了 约翰逊一迈尔 (JMAK)相关理论 假定在某时刻t,2个相,每个体积为v 1-X (1-H (1-该) (1-v) In (1-X)=In U1 …
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